Bushnell TRKR Headlamp, 150 Lumens 3 Light Modes: White, Red, Blood Tracking Hands free lighting Powered by 2 AAA batteries (Duracell batteries included) Impact-resistant construction Tested to ANSI FL1 Standards: High Setting: 150 Lumens, 2 hr Run Time, 70 M Beam Distance, 1 M Impact Resistance; Low Setting: 34 Lumens, 32 hr Run Time, 31 M Beam Distance; Red Mode: 11 Lumens, 6 hr 15 min Run Time, 23 M Beam Distance; Blue TRKR Mode: 3 Lumens, 6 hr Run Time, 8 M Beam Distance